feat(secretmanager): added samples for regional SM

[vipul7499]

Description

Fixes #

Note: Before submitting a pull request, please open an issue for discussion if you are not associated with Google.

Checklist

• [ ] I have followed Sample Format Guide
• [ ] pom.xml parent set to latest shared-configuration
• [ ] Appropriate changes to README are included in PR
• [ ] These samples need a new API enabled in testing projects to pass (let us know which ones)
• [ ] These samples need a new/updated env vars in testing projects set to pass (let us know which ones)
• [ ] Tests pass: mvn clean verify required
• [ ] Lint passes: mvn -P lint checkstyle:check required
• [ ] Static Analysis: mvn -P lint clean compile pmd:cpd-check spotbugs:check advisory only
• [ ] This sample adds a new sample directory, and I updated the CODEOWNERS file with the codeowners for this sample
• [ ] This sample adds a new Product API, and I updated the Blunderbuss issue/PR auto-assigner with the codeowners for this sample
• [ ] Please merge this PR for me once it is approved

[snippet-bot[bot]]

Here is the summary of changes.

You are about to add 23 region tags.

- [secretmanager/src/main/java/secretmanager/regionalsamples/AccessRegionalSecretVersion.java:19](https://github.com/vipul7499/java-docs-samples/blob/815cba123f0a36f22524336671b0625004b70c0d/secretmanager/src/main/java/secretmanager/regionalsamples/AccessRegionalSecretVersion.java#L19), tag `secretmanager_access_regional_secret_version` - [secretmanager/src/main/java/secretmanager/regionalsamples/AddRegionalSecretVersion.java:19](https://github.com/vipul7499/java-docs-samples/blob/815cba123f0a36f22524336671b0625004b70c0d/secretmanager/src/main/java/secretmanager/regionalsamples/AddRegionalSecretVersion.java#L19), tag `secretmanager_add_regional_secret_version` - [secretmanager/src/main/java/secretmanager/regionalsamples/CreateRegionalSecret.java:19](https://github.com/vipul7499/java-docs-samples/blob/815cba123f0a36f22524336671b0625004b70c0d/secretmanager/src/main/java/secretmanager/regionalsamples/CreateRegionalSecret.java#L19), tag `secretmanager_create_regional_secret` - [secretmanager/src/main/java/secretmanager/regionalsamples/DeleteRegionalSecret.java:19](https://github.com/vipul7499/java-docs-samples/blob/815cba123f0a36f22524336671b0625004b70c0d/secretmanager/src/main/java/secretmanager/regionalsamples/DeleteRegionalSecret.java#L19), tag `secretmanager_delete_regional_secret` - [secretmanager/src/main/java/secretmanager/regionalsamples/DeleteRegionalSecretWithEtag.java:19](https://github.com/vipul7499/java-docs-samples/blob/815cba123f0a36f22524336671b0625004b70c0d/secretmanager/src/main/java/secretmanager/regionalsamples/DeleteRegionalSecretWithEtag.java#L19), tag `secretmanager_delete_regional_secret_with_etag` - [secretmanager/src/main/java/secretmanager/regionalsamples/DestroyRegionalSecretVersion.java:19](https://github.com/vipul7499/java-docs-samples/blob/815cba123f0a36f22524336671b0625004b70c0d/secretmanager/src/main/java/secretmanager/regionalsamples/DestroyRegionalSecretVersion.java#L19), tag `secretmanager_destroy_regional_secret_version` - [secretmanager/src/main/java/secretmanager/regionalsamples/DestroyRegionalSecretVersionWithEtag.java:19](https://github.com/vipul7499/java-docs-samples/blob/815cba123f0a36f22524336671b0625004b70c0d/secretmanager/src/main/java/secretmanager/regionalsamples/DestroyRegionalSecretVersionWithEtag.java#L19), tag `secretmanager_destroy_regional_secret_version_with_etag` - [secretmanager/src/main/java/secretmanager/regionalsamples/DisableRegionalSecretVersion.java:19](https://github.com/vipul7499/java-docs-samples/blob/815cba123f0a36f22524336671b0625004b70c0d/secretmanager/src/main/java/secretmanager/regionalsamples/DisableRegionalSecretVersion.java#L19), tag `secretmanager_disable_regional_secret_version` - [secretmanager/src/main/java/secretmanager/regionalsamples/DisableRegionalSecretVersionWithEtag.java:19](https://github.com/vipul7499/java-docs-samples/blob/815cba123f0a36f22524336671b0625004b70c0d/secretmanager/src/main/java/secretmanager/regionalsamples/DisableRegionalSecretVersionWithEtag.java#L19), tag `secretmanager_disable_regional_secret_version_with_etag` - [secretmanager/src/main/java/secretmanager/regionalsamples/EnableRegionalSecretVersion.java:19](https://github.com/vipul7499/java-docs-samples/blob/815cba123f0a36f22524336671b0625004b70c0d/secretmanager/src/main/java/secretmanager/regionalsamples/EnableRegionalSecretVersion.java#L19), tag `secretmanager_enable_regional_secret_version` - [secretmanager/src/main/java/secretmanager/regionalsamples/EnableRegionalSecretVersionWithEtag.java:19](https://github.com/vipul7499/java-docs-samples/blob/815cba123f0a36f22524336671b0625004b70c0d/secretmanager/src/main/java/secretmanager/regionalsamples/EnableRegionalSecretVersionWithEtag.java#L19), tag `secretmanager_enable_regional_secret_version_with_etag` - [secretmanager/src/main/java/secretmanager/regionalsamples/GetRegionalSecret.java:19](https://github.com/vipul7499/java-docs-samples/blob/815cba123f0a36f22524336671b0625004b70c0d/secretmanager/src/main/java/secretmanager/regionalsamples/GetRegionalSecret.java#L19), tag `secretmanager_get_regional_secret` - [secretmanager/src/main/java/secretmanager/regionalsamples/GetRegionalSecretVersion.java:19](https://github.com/vipul7499/java-docs-samples/blob/815cba123f0a36f22524336671b0625004b70c0d/secretmanager/src/main/java/secretmanager/regionalsamples/GetRegionalSecretVersion.java#L19), tag `secretmanager_get_regional_secret_version` - [secretmanager/src/main/java/secretmanager/regionalsamples/IamGrantAccessWithRegionalSecret.java:19](https://github.com/vipul7499/java-docs-samples/blob/815cba123f0a36f22524336671b0625004b70c0d/secretmanager/src/main/java/secretmanager/regionalsamples/IamGrantAccessWithRegionalSecret.java#L19), tag `secretmanager_iam_grant_access_with_regional_secret` - [secretmanager/src/main/java/secretmanager/regionalsamples/IamRevokeAccessWithRegionalSecret.java:19](https://github.com/vipul7499/java-docs-samples/blob/815cba123f0a36f22524336671b0625004b70c0d/secretmanager/src/main/java/secretmanager/regionalsamples/IamRevokeAccessWithRegionalSecret.java#L19), tag `secretmanager_iam_revoke_access_with_regional_secret` - [secretmanager/src/main/java/secretmanager/regionalsamples/ListRegionalSecretVersions.java:19](https://github.com/vipul7499/java-docs-samples/blob/815cba123f0a36f22524336671b0625004b70c0d/secretmanager/src/main/java/secretmanager/regionalsamples/ListRegionalSecretVersions.java#L19), tag `secretmanager_list_regional_secret_versions` - [secretmanager/src/main/java/secretmanager/regionalsamples/ListRegionalSecretVersionsWithFilter.java:19](https://github.com/vipul7499/java-docs-samples/blob/815cba123f0a36f22524336671b0625004b70c0d/secretmanager/src/main/java/secretmanager/regionalsamples/ListRegionalSecretVersionsWithFilter.java#L19), tag `secretmanager_list_regional_secret_versions_with_filter` - [secretmanager/src/main/java/secretmanager/regionalsamples/ListRegionalSecrets.java:19](https://github.com/vipul7499/java-docs-samples/blob/815cba123f0a36f22524336671b0625004b70c0d/secretmanager/src/main/java/secretmanager/regionalsamples/ListRegionalSecrets.java#L19), tag `secretmanager_list_regional_secrets` - [secretmanager/src/main/java/secretmanager/regionalsamples/ListRegionalSecretsWithFilter.java:19](https://github.com/vipul7499/java-docs-samples/blob/815cba123f0a36f22524336671b0625004b70c0d/secretmanager/src/main/java/secretmanager/regionalsamples/ListRegionalSecretsWithFilter.java#L19), tag `secretmanager_list_regional_secrets_with_filter` - [secretmanager/src/main/java/secretmanager/regionalsamples/RegionalQuickstart.java:19](https://github.com/vipul7499/java-docs-samples/blob/815cba123f0a36f22524336671b0625004b70c0d/secretmanager/src/main/java/secretmanager/regionalsamples/RegionalQuickstart.java#L19), tag `secretmanager_regional_quickstart` - [secretmanager/src/main/java/secretmanager/regionalsamples/UpdateRegionalSecret.java:19](https://github.com/vipul7499/java-docs-samples/blob/815cba123f0a36f22524336671b0625004b70c0d/secretmanager/src/main/java/secretmanager/regionalsamples/UpdateRegionalSecret.java#L19), tag `secretmanager_update_regional_secret` - [secretmanager/src/main/java/secretmanager/regionalsamples/UpdateRegionalSecretWithAlias.java:19](https://github.com/vipul7499/java-docs-samples/blob/815cba123f0a36f22524336671b0625004b70c0d/secretmanager/src/main/java/secretmanager/regionalsamples/UpdateRegionalSecretWithAlias.java#L19), tag `secretmanager_update_regional_secret_with_alias` - [secretmanager/src/main/java/secretmanager/regionalsamples/UpdateRegionalSecretWithEtag.java:19](https://github.com/vipul7499/java-docs-samples/blob/815cba123f0a36f22524336671b0625004b70c0d/secretmanager/src/main/java/secretmanager/regionalsamples/UpdateRegionalSecretWithEtag.java#L19), tag `secretmanager_update_regional_secret_with_etag`

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[Sita04]

@vipul7499 PTAL at the failed tests

[vipul7499]

@Sita04 The tests are failing because of the addition of a new environment variable GOOGLE_CLOUD_PROJECT_LOCATION